Toshiba MK3261GSYN 320GB SATA front view Toshiba MK3261GSYN 320GB SATA front view
Toshiba MK3261GSYN 320GB SATA front view Toshiba MK3261GSYN 320GB SATA front view
Toshiba MK3261GSYN top view Toshiba MK3261GSYN top view
Toshiba MK3261GSYN 320GB SATA front view
Toshiba MK3261GSYN 320GB SATA front view
Toshiba MK3261GSYN top view

Toshiba

Toshiba MK3261GSYN – 320GB SATA 3Gb/s | 2.5" 9.5mm | 7200 RPM | Notebook HDD

$55.00

Brand New, Factory Sealed | In Stock | Bulk Orders Available

The MK3261GSYN is a 320GB SATA 3Gb/s hard drive featuring 7200 RPM spindle speed, 16MB cache, and 12ms average seek time in a 2.5-inch 9.5mm form factor. Built for mid-2000s notebook and slim desktop systems, it is ideal for gaming laptops, mobile workstations, and high-performance portable computing applications. Compatible with any system accepting 2.5" SATA drives, including Energy Star all-in-one PCs, slim desktop chassis, and notebook upgrade applications. The drive incorporates free-fall sensor technology and RoHS compliance for environmentally conscious continuous operation in mobile computing environments.

All products from Anand International ship brand new and factory sealed. Volume and B2B pricing available for qualified buyers.
Specifications
  • Manufacturer: Toshiba
  • Model: MK3261GSYN
  • Capacity: 320GB
  • Interface: SATA 3.0 Gb/s
  • Spindle Speed: 7200 RPM
  • Cache: 16MB
  • Form Factor: 2.5" x 9.5mm
  • Seek Time: 12ms
  • Latency: 4.16ms
  • MTBF: Not specified
  • Drive Type: Internal Mobile HDD
  • Warranty: 90 days
  • Shipping: Free domestic US shipping
  • Condition: Brand New, Factory Sealed
Product Features
  • 7200 RPM high-performance spindle speed
  • 16MB buffer cache for optimized data access
  • SATA 3.0 Gb/s interface with ATA-8 compliance
  • Free-fall sensor protection for mobile use
  • RoHS environmental compliance certified
  • Power-efficient design for mobile platforms
  • Single platter architecture for reduced weight
  • 325G operating shock resistance rating
  • Direct replacement for legacy systems requiring SATA connectivity
  • 90-day Anand International warranty on all legacy stock
  • Free domestic US shipping included
  • Volume and B2B pricing available for qualified buyers
Compatibility

Compatible with notebooks, slim desktops, all-in-one PCs, gaming laptops, and mobile workstations accepting 2.5" 9.5mm SATA drives. Not compatible with systems requiring 7mm ultra-thin drives or legacy IDE/PATA interfaces.
Shipping & Returns
  • Free Shipping: We currently offer free Economy Shipping within the continental U.S. with no minimum order required. Expedited shipping is available at standard carrier rates.
  • Same-Day Shipping: Order placed before 2PM PST will ship the same day. Orders received after this time will ship the following business day.
  • Hassle-Free Returns: If you're not completely satisfied with your purchase, simply return it within 10 days for a hassle-free refund or exchange.

320GB SATA 3Gb/s 7200 RPM Mobile Factory Sealed

Why the MK3261GSYN is the right mobile storage solution

Part of Toshiba's MKxx61GSYN series, this 7200 RPM drive delivers desktop-class performance in a mobile form factor. Engineered for 2000s-era high-performance notebooks and slim desktops, it combines superior operating acoustics with power efficiency. The drive represents the peak of mechanical mobile storage technology before SSDs became mainstream.

High-Performance 7200 RPM Speed

Delivers superior performance over standard 5400 RPM mobile drives with faster boot times and application loading.

SATA 3Gb/s Interface Compatibility

Features modern SATA interface with ATA-8 compliance for broad compatibility with 2000s and 2010s systems.

Mobile-Optimized Design

Incorporates free-fall sensor protection and power-efficient operation specifically engineered for notebook environments.

Proven MKxx61GSYN Series

Member of Toshiba's acclaimed mobile storage family known for reliability and performance in portable computing applications.

New Old Stock with 90-Day Warranty

Available as brand new, factory sealed old stock units from Anand International with a 90-day warranty. Ideal for legacy system maintenance, vintage computing restoration, and hard-to-find replacement needs.

Frequently Asked Questions

Frequently asked questions for SATA, including information on usage, configuration, and compatibility.

1. What is a SATA hard drive used for?

A SATA (Serial ATA) hard drive is used in desktops, laptops, servers, and NAS systems for data storage. It’s the most common hard drive type, offering a balance of speed, affordability, and wide compatibility.
2. What’s the difference between SATA I, II, and III?

The difference is speed. SATA I supports up to 1.5 Gb/s (150 MB/s), SATA II up to 3 Gb/s (300 MB/s), and SATA III up to 6 Gb/s (600 MB/s). Most modern drives use SATA III but remain backward compatible with older versions.
3. Are SATA hard drives compatible with older systems?

Yes. SATA drives are backward compatible, meaning a SATA III drive can work on a SATA II or I port, though performance will be limited to the slower speed of the system.
4. What’s the maximum capacity of a SATA hard drive?

SATA hard drives come in a wide range of capacities, from 500GB to over 20TB. This makes them suitable for everything from basic desktop use to large-scale data storage and backup.
5. Can I use a SATA hard drive in RAID or NAS systems?

Yes. SATA drives support RAID configurations and can be used in NAS systems. For higher reliability, enterprise-grade SATA models such as NAS, surveillance, or data-center drives are recommended.
6. What is the difference between a 2.5" and a 3.5" SATA hard drive?

2.5" SATA drives are smaller and commonly used in laptops or compact systems, while 3.5" SATA drives are larger and primarily used in desktops, servers, and NAS devices.
7. How do SATA hard drives compare to SSDs?

Both use the SATA interface, but HDDs store data on spinning disks while SSDs use flash memory. SSDs are much faster, but SATA HDDs remain more affordable for high-capacity storage.